HT82M9BEE Datasheet, PDF (4/47 Pages) Holtek Semiconductor Inc – USB Mouse Encoder 8-Bit MCU with EEPROM

HT82M9BEE/HT82M9BAE
D.C. Characteristics
Ta=25°C
Symbol
Parameter
Test Conditions
V_DD
Conditions
Min. Typ. Max. Unit
V_DD
Operating Voltage
¾
¾
3.3
¾
5.5
V
I_DD1
Operating Current (6MHz Crystal) 5V No load, f_SYS=6MHz
¾
7
9
mA
I_DD2
Operating Current (12MHz Crystal) 5V No load, f_SYS=12MHz
¾
8
16
mA
I_STB1
I_STB2
Standby Current (WDT Enable)
Standby Current (WDT Disable)
5V _{No load, system HALT,} ¾
5V ^{USB suspend}
¾
¾
250
mA
¾
230
mA
I_STB3
I_STB4
Standby Current (WDT Enable)
Standby Current (WDT Disable)
5V No load, system HALT, ¾
¾
30
mA
input/output mode,
5V _{set SUSPEND2 [1CH].4} ¾
¾
15
mA
V_IL1
Input Low Voltage for I/O Ports
5V
¾
0
1.2 1.4
V
V_IH1
Input High Voltage for I/O Ports
5V
¾
2.0
¾
5.0
V
V_IL2
Input Low Voltage (RES)
5V
¾
0
¾ 0.5VDD V
V_IH2
Input High Voltage (RES)
5V
¾
0.8V_DD ¾
V_DD
V
I_OL
Output Sink Current for I/O Ports
5V V_OL=0.4V
2
4
¾
mA
I_OH
Output Port Source Current
5V V_OL=3.4V
-2.5 -4
¾
mA
R_PD
Pull-down Resistance for PA0~PA3,
PB2 and PB3
5V
¾
10
30
50
kW
R_PH1 Pull-high Resistance for DATA(*)
¾
¾
1.3
1.5
2.0
kW
R_PH2 Pull-high Resistance for CLK
¾
¾
2.0
4.7
6.0
kW
R_PH3 Pull-high Resistance for I/O Ports
¾
¾
30
50
70
kW
V_LVR Low Voltage Reset
5V
¾
2.0 2.4
3
V
Note: ²*² The DATA pull-high must be implemented by the external 1.5kW
A.C. Characteristics
Symbol
Parameter
Test Conditions
V_DD
Conditions
Min.
f_SYS
System Clock (Crystal OSC)
5V
¾
6
f_RCSYS
RC Clock with 8-bit Prescaler
Register
5V
¾
0
t_WDT
Watchdog Time-out Period
(System Clock)
¾ Without WDT prescaler 1024
t_RF
USBD+, USBD- Rising & falling Time ¾
¾
75
t_SST
System Start-up Timer Period
¾ Wake-up from HALT
¾
t_OSC
Crystal Setup
¾
¾
¾
Note: Power-on period=t_WDT+t_SST+t_OSC
WDT Time-out in normal mode=1/f_RCSYS´256´WDTS+t_WDT
WDT Time-out in HALT mode=1/f_RCSYS´256´WDTS+t_SST+t_OSC
Typ.
¾
32
¾
¾
1024
5
Ta=25°C
Max. Unit
12 MHz
¾
kHz
¾
t_RCSYS
300 ns
¾
t_SYS
10
ms
Rev. 1.20
4
August 13, 2007